Sca
abbr. 美國科學俱樂部聯合會（Science Clubs of America）
??? 情景例句
I think exactly the same way.
我也是這樣想的。
Don't worry. Everything will work out all right.
別擔心了，一切都會好的。
The seed was sprayed over the ground in huge quantities by aeroplanes.
飛機把這種草籽大量地撒播在地上。